#15591: sum(...) misbehaves on tropical semiring
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   Reporter:  darij    |            Owner:
       Type:  defect   |           Status:  new
   Priority:  major    |        Milestone:  sage-6.1
  Component:  algebra  |         Keywords:  tropical semiring,
  Merged in:           |          Authors:
  Reviewers:           |  Report Upstream:  N/A
Work issues:           |           Branch:
     Commit:           |     Dependencies:
   Stopgaps:           |
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 {{{
 sage: T = TropicalSemiring(QQ)
 sage: sum([T(1), T(1), T(2)])
 0
 sage: T.sum([T(1), T(1), T(2)])
 1
 }}}
 I'm not sure if this is caused by #15163 and I don't have time to check :/

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Ticket URL: <http://trac.sagemath.org/ticket/15591>
Sage <http://www.sagemath.org>
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